Sign of the Wolf
A north woods adventure loosely based on Jack London's story, "That Spot." It nominally stars Grace Bradley and Michael Whalen, but it's Mantan Moreland, Louise Beavers and Smoky the Dog who steal the show.
Directed by Howard Bretherton
Released in 1941
Complete print (there are a few missing frames)
Free movie links for Mantan junkies: https://archive.org/post/1006776/the-mantan-moreland-list-update